Olivier de Clisson most often refers to Olivier V de Clisson (1336–1407), a Breton soldier during the Hundred Years' War.
It may also refer to other members of the same family:
Olivier I de Clisson (d. 1262) Olivier II de Clisson (d. 1307) Olivier III de Clisson (d. 1320) Olivier IV de Clisson (d. 1343)